#16 - Add support for nested property-access

[Jeckerson]

Hello!

In raising this pull request, I confirm the following:

• I have read and understood the Contributing Guidelines
• I have checked that another pull request for this purpose does not exist.
• I wrote some tests for this PR.

Small description of change:

Thanks

[codecov]

Codecov Report

❌ Patch coverage is 77.41935% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.07%. Comparing base (98a353a) to head (6dec87a).
⚠️ Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
parser/zephir.lemon	58.82%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #169      +/-   ##
==========================================
+ Coverage   76.51%   77.07%   +0.55%     
==========================================
  Files           5        5              
  Lines        2968     2992      +24     
  Branches      128      131       +3     
==========================================
+ Hits         2271     2306      +35     
+ Misses        697      686      -11     

Flag	Coverage Δ
Linux	77.07% <77.41%> (+0.55%)	⬆️
unittests	77.07% <77.41%> (+0.55%)	⬆️

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud